Coded data generation or conversion – Digital code to digital code converters – To or from run length limited codes
Reexamination Certificate
2006-03-07
2006-03-07
Jeanpierre, Peguy (Department: 2819)
Coded data generation or conversion
Digital code to digital code converters
To or from run length limited codes
C341S058000, C341S068000, C360S041000, C369S059240
Reexamination Certificate
active
07009532
ABSTRACT:
The DVD recording method is intended to increase the number of cycles allowed for recording on the disk an enormous number of times. This method comprises generating two data streams by using a plurality of code mapping variants prepared for coding input data, quasi-randomly selecting one of the plurality of code mapping variants, if absolute DSVs of the two streams are substantially equal, and converting into recording code sequences. This method prevents deterioration of the disk particularly in the management area and increases the number of cycles allowed for rewriting.
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Minemura Hiroyuki
Ushiyama Junko
Antonelli, Terry Stout and Kraus, LLP.
Hitachi , Ltd.
Hitachi-LG Data Storage, Inc.
Jeanpierre Peguy
Nguyen Khai
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